2018 BMW i3s Service and Repair Manual

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Factory-Grade Data

2018 BMW i3s service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Hatchback 4-Door
  • Range Extender Hatchback 4-Door

Engines covered

  • BATTERY EV (EV/BEV)
  • 0.6L 647CC l2 BATTERY W/RANGE EXT (BEV REX) SOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2018 BMW i3s Recalls & Complaints

NHTSA #19V31000017/04/2019Component: HYBRID PROPULSION SYSTEM

BMW of North America, LLC (BMW) is recalling certain 2018 i3 BEV and i3 REx hybrid electric vehicles. A circuit board problem within the Electric Motor Electronics (EME) module may shutdown the suppl

Consequence

A shut down of high-voltage electrical power would result in a loss of propulsion, increasing the ri

Remedy

BMW will notify owners, and dealers will replace the EME module, free of charge. The recall began J

No service bulletins No technical service bulletins on file with NHTSA for the 2018 BMW i3s.
20240812Component: STRUCTURE:BODY

Roof delaminating and is danger of flying off

20240724Component: FUEL/PROPULSION SYSTEM

This isn't a safety issue, rather it's a known problem with the factory AC compressor inside of BMW i3s and i8s that seem to constantly fail. I had a replacement under the car's factory warranty and

20240416Component: STRUCTURE:BODY

My car has a problem with the carbon fiber roof panel. In the sun, the clear epoxy of the roof is de laminating from the carbon fiber beneath it. This is a safety issue because as it delaminates the

Showing the 3 most serious of 16 complaints filed with NHTSA.

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